2009 BMW 135 vs. 2008 BMW Z4
To start off, 2009 BMW 135 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW Z4. In addition, the cost of maintenance, including insurance, on 2008 BMW Z4 would be higher. At 2,979 cc (6 cylinders), 2009 BMW 135 is equipped with a bigger engine. In terms of performance, 2009 BMW 135 (302 HP @ 5800 RPM) has 154 more horse power than 2008 BMW Z4. (148 HP @ 6200 RPM). In normal driving conditions, 2009 BMW 135 should accelerate faster than 2008 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 135 weights approximately 120 kg more than 2008 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 BMW 135 (400 Nm @ 1300 RPM) has 200 more torque (in Nm) than 2008 BMW Z4. (200 Nm @ 3600 RPM). This means 2009 BMW 135 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4. 2009 BMW 135 has automatic transmission and 2008 BMW Z4 has manual transmission. 2008 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 135 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 135 | 2008 BMW Z4 | |
| Make | BMW | BMW |
| Model | 135 | Z4 |
| Year Released | 2009 | 2008 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 148 HP |
| Engine RPM | 5800 RPM | 6200 RPM |
| Torque | 400 Nm | 200 Nm |
| Torque RPM | 1300 RPM | 3600 RPM |
| Engine Compression Ratio | 10.2:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 215 km/hour |
| Acceleration 0-100mph | 5.7 seconds | 8.2 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1415 kg | 1295 kg |
| Vehicle Length | 4370 mm | 4100 mm |
| Vehicle Width | 1420 mm | 1310 mm |
| Vehicle Height | 1760 mm | 1790 mm |
| Wheelbase Size | 2670 mm | 2500 mm |
| Fuel Consumption Overall | 5.3 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 53 L | 55 L |
